<template>
	<div class="search">
		<input v-model="keyword" class="search-input" type="text" placeholder="输入城市名或拼音">
		<div class="search-content" ref="wrapper" v-show="keyword">
			<ul>
				<li class="search-item border-bottom"
				v-for="item of list"
				:key="item.id"
				@click="handleCityClick(item.name)"
				>{{item.name}}</li>
				<li
				v-show="hasNoData"
				class="search-item border-bottom"
				>没有找到匹配数据</li>
			</ul>
		</div>
	</div>
</template>

<script>
import Bscroll from 'better-scroll'	
export default {
	name: 'CitySearch',
	props: {
		cities: Object
	},
	methods: {
		handleCityClick(city){
			console.log(city)
			this.$store.dispatch('changeCity', city)
			
      		this.$router.push('/')
		}
	},
	mounted(){
		this.scroll = new Bscroll(this.$refs.wrapper)
	},
	data (){
		return {
			keyword: '',
			list: [],
			timer: null
		}
	},
	computed: {
		hasNoData(){
			console.log(this.list.length)
			return !this.list.length
		}
	},
	watch: {
		keyword(){
			if(this.timer){
				clearTimeout(this.timer)
			}
			if(!this.keyword){
				this.list = []
				return
			}
			this.timer = setTimeout(()=> {
				
				const result = []
				for(let i in this.cities){
					
					this.cities[i].forEach((value) => {
						
						if(value.spell.indexOf(this.keyword) > -1 || value.name.indexOf(this.keyword) > -1){
							result.push(value)
						}
					})
				}
				this.list = result
			},100)
		}
	}
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.search
	height: .72rem
	padding: 0 .1rem
	background: $bgColor
	.search-input
		box-sizing: border-box
		width: 100%
		padding: 0 .1rem
		height: .62rem
		line-height: .62rem
		text-align: center
		border-radius: .06rem
		color: #666
	.search-content
		z-index: 1
		overflow: hidden
		position: absolute
		top: 1.58rem
		left: 0
		right: 0
		bottom: 0
		background: #eee
		.search-item
			line-height: .62rem
			padding-left: .2rem
			color: #666
			background: #fff	
</style>